Rod dry cleaning: drawing speed continues to rise

PUBLISHED: 09 Jan 12

Rod cleaning and wire drawing by DCCD process
Rod cleaning and wire drawing by DCCD process

The Dry Cleaning, Coating and Drawing (DCCD) process offers substantial cost savings, replacing conventional rod wet preparation including chemical cleaning/ rinsing/wet pre-coating and drying by a new, totally dry process that presents a unique combination of simplicity and effectiveness.

The DCCD process is used in the most demanding H/C and L/C drawing applications from mechanically descaled bare rod, including 0.88-0.90%C, drawn directly without wet pre-coating chemicals, including spring wire, PC strand wire, cold heading wire, plating wire, etc.

The process operates at 'zero' maintenance cost as there is no acid, no hot liquid tanks for rod pre-coating, no hot air blowers to dry wet rod, and it operates at virtually 'zero' energy consumption.

An added benefit is the automatic control of lubrication parameters, including lubricant pressure, temperature and viscosity, enabling the use of standard high melting lubricants (+220°C/428°F) which are instantaneously converted from solid into liquefied state and deposited on bare rod, generating exceptional thermal stability at the highest drawing speed, 18m/sec for spring wire, completely eliminating the need for phosphate and borax pre-coating chemicals and their wet substitutes.

In operation, all lubrication parameters 'communicate' together in a sensitive and automatic multi-way interaction to form a high-density strongly adherent full-film anti-wear lubricant coat, weight-adjustable, enabling frictionless drawing by physical separation of wire-die contact in all drafts.

The DCCD process revolutionises wire drawing process: customers target immediate total saving of 50-64% in production cost of drawn wire, in all drawing applications at virtually no speed limit, dictated mainly by rod pay-off and wire take up modes.

Decalub, France
Tel: + 33 1 64 26 20 66
Email: info@decalub.com
Web: www.decalub.com

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